Harvard Women's Health Watch

Too much vitamin D may harm bones, not help

A study shows that, for many people, less is more when it comes to vitamin D. Thereís no question that vitamin D can help build strong bones. But there may be a sweet spot when it comes to how much. A study published in the Aug. 27 issue of JAMA found that, compared with people who took moderate amounts of vitamin D, adults who took large amounts daily not only didnít see additional…

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